body,html {
  margin: 0;
  padding: 0;
}
.g-container {
  position: relative;
  height: 100vh;
  min-width: 400px;
  > div {
    height: 100vh;
    float: left;
    text-align: center;
    color: white;
    line-height: 100vh;
    font-size: 3vw;
  }
}

.g-middle {
  position: relative;
  width: 100%;
  background-color: #cc6630;

  .g-middle-inner {
    margin: 0 200px;
  }
}

.g-left {
  position: relative;
  width: 200px;
  background-color: #ffcc00;
  margin-left: -100%;
}

.g-right {
  position: relative;
  width: 200px;
  background-color: pink;
  margin-left: -200px;
}

